Home / 142,713.12-196,944.84-92,499.60

Finding the Fourth Proportional to 142,713.12, 196,944.84 and 92,499.60

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Solution

The fourth proportional to 142,713.12, 196,944.84 and 92,499.60 is: 127,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,713.12 : 196,944.84 = 92,499.60 : x
  2. Step 2: Convert to fraction form
    142,713.12/196,944.84 = 92,499.60/x
  3. Step 3: Cross multiply
    142,713.12x = 196,944.84 × 92,499.60
  4. Step 4: Simplify right side
    142,713.12x = 18,217,318,922.06
  5. Step 5: Solve for x
    x = 18,217,318,922.06/142,713.12
  6. Step 6: Final answer
    x = 127,649.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.